GB Standard Hot Rolled Steel I Beams Q235, Q345

GB Standard Hot Rolled Steel I Beams Q235, Q345 System 1

GB Standard Hot Rolled Steel I Beams Q235, Q345

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 200000 m.t./month

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Specifications of GB Standard Hot Rolled Steel I Beams Q235, Q345

Standard: ASTM A36, EN10025, JIS, GB, etc.

Grade:S275, S355, SS400, Q235B, A36, Q345, etc

Sizes: 80MM-270MM

Applications of GB Standard Hot Rolled Steel I Beams Q235, Q345

Hot Rolled Steel I Beam is widely used in various building structures and engineering structures such as roof beams, bridges, transmission towers, hoisting machinery and transport machinery, ships, industrial furnaces, reaction tower, container frame and warehouse etc.

Package & Delivery Terms of GB Standard Hot Rolled Steel I Beams Q235, Q345

1. Package: All the hot rolled steel I beam will be tired by wire rod in bundles

2. Bundle weight: not more than 3.5MT for bulk vessel; less than 3 MT for container load

3. Marks:

Color marking: There will be color marking on both end of the bundle for the cargo delivered by bulk vessel. That makes it easily to distinguish at the destination port.

Tag mark: there will be tag mark tied up on the bundles. The information usually including supplier logo and name, product name, made in China, shipping marks and other information request by the customer.

If loading by container the marking is not needed, but we will prepare it as customer request.

4. Transportation: the goods are delivered by truck from mill to loading port, the maximum quantity can be loaded is around 40MTs by each truck. If the order quantity cannot reach the full truck loaded, the transportation cost per ton will be little higher than full load.

5. Shipment: In containers or in bulk cargo

Hot Rolled Steel I Beam

6. Delivery time: All the hot rolled steel I Beam will be at the port of the shipment within 45 days after receiving the L/C at sight ot the advance pyment by T/T

7. Payment: L/C at sight; 30% advance payment before production, 70% before shipment by T/T, etc.

Production flow of GB Standard Hot Rolled Steel I Beams Q235, Q345

Material prepare (billet) —heat up—rough rolling—precision rolling—cooling—packing—storage and transportation

Q: Can steel I-beams be used in retail or shopping center construction?: Yes, steel I-beams can be used in retail or shopping center construction. They are commonly used in commercial construction due to their strength, durability, and ability to support heavy loads. Steel I-beams provide structural stability, allowing for large open spaces and flexible floor layouts, which are often desired in retail or shopping center designs.

Q: How do steel I-beams perform in terms of vibration insulation?: Despite their excellent structural strength and load-bearing capacity, steel I-beams may not be the most effective choice when it comes to vibration insulation. Their rigid and inflexible nature tends to transmit vibrations rather than absorb or dampen them. Consequently, when exposed to vibrations caused by heavy machinery, earthquakes, or nearby traffic, steel I-beams can propagate these vibrations throughout the structure, potentially causing discomfort, noise, and even structural damage. To enhance the vibration insulation capabilities of steel I-beams, various measures can be taken. One commonly used approach is the incorporation of vibration isolation materials or techniques. These can involve the utilization of specialized rubber pads, foam inserts, or flexible connectors positioned between the steel beams and the surrounding structure. These materials and techniques are specifically designed to absorb and dampen vibrations, thereby reducing their transmission through the building. Another option involves implementing structural modifications that enhance the vibration insulation properties of steel I-beams. For instance, adding additional mass to the beams, such as by attaching concrete or other heavy materials, can help mitigate the transmission of vibrations. Additionally, introducing damping elements like tuned mass dampers or viscoelastic materials can effectively dissipate and attenuate vibrations, ultimately improving the overall vibration insulation performance. It is important to recognize that although steel I-beams may not possess inherent vibration insulation capabilities, they are often preferred for their strength, durability, and cost-effectiveness in structural applications. Therefore, a combination of appropriate design, engineering, and additional measures can be employed to minimize the adverse effects of vibrations and optimize the vibration insulation performance of steel I-beams.

Q: Can steel I-beams be used in mezzanine or elevated platform construction?: Yes, steel I-beams can be used in mezzanine or elevated platform construction. They provide structural support and stability, making them a common choice for such applications.

Q: What are the different types of connections used for steel I-beams?: There are several different types of connections used for steel I-beams, depending on the specific application and structural requirements. Some common types of connections include: 1. Welded Connections: This is the most common and widely used type of connection for steel I-beams. It involves welding the I-beam to a connection plate or another beam to create a strong and durable joint. 2. Bolted Connections: Bolted connections are another common method used to connect steel I-beams. This involves using bolts and nuts to fasten the beams together. Bolted connections can be easily adjusted or dismantled if needed, making them a flexible option. 3. Riveted Connections: Riveted connections were historically used but are less common nowadays. This method involves using rivets, which are metal pins with a formed head on one end, to connect the I-beams. Riveted connections provide high strength and durability. 4. Pinned Connections: Pinned connections allow for rotational movement between the connected beams. This type of connection is often used in structures where flexibility is required, such as bridges or seismic-resistant buildings. Pinned connections typically use pins or bearings to allow rotation. 5. Moment Connections: Moment connections are designed to transfer both vertical and horizontal loads between beams. These connections are used in structures where a rigid connection is required to resist bending moments. Moment connections can be achieved through welding or bolting, and they provide high strength and stability. It's important to note that the choice of connection type depends on factors such as load requirements, structural design, and construction methods. Consulting with a structural engineer or a qualified professional is crucial to ensure the appropriate connection type is chosen for specific applications.

Q: How do steel I-beams handle vibrations?: The inherent structural properties of steel I-beams make them highly effective in managing vibrations. The flanges and web of an I-beam contribute to its stiffness and rigidity, allowing it to distribute loads, resist bending, twisting, and deformations caused by vibrations efficiently. The vertical support provided by the web and the horizontal beams formed by the flanges work together to resist bending and enhance the strength of the I-beam. This well-designed structure enables the I-beam to transfer loads and vibrations effectively along its entire length, minimizing the risk of structural failure or damage. Steel itself possesses remarkable strength and durability, which aids in absorbing and dissipating vibrations. Unlike other materials, steel is less prone to resonance, meaning it does not readily vibrate at its natural frequency. This characteristic prevents the amplification of vibrations and reduces the possibility of fatigue failure. Furthermore, the weight and mass of steel I-beams play a significant role in their ability to handle vibrations. The substantial weight of the beams helps dampen and absorb vibrations, preventing their propagation throughout the structure. This quality makes steel I-beams particularly suitable for applications in which vibrations are a concern, such as in bridges, high-rise buildings, and industrial structures. In conclusion, steel I-beams are meticulously designed and engineered to effectively manage vibrations. Their shape, material properties, and weight make them a dependable choice for structural applications where vibration control and stability are of utmost importance.

Q: Are steel I-beams suitable for supporting rooftop helipads?: Rooftop helipads can indeed be supported by steel I-beams. Renowned for their strength and ability to bear heavy loads, I-beams are perfectly suited for such structural purposes. Steel, a widely used construction material, boasts high tensile strength and durability, enabling it to withstand the weight and impact associated with helicopter landings and takeoffs. Moreover, steel I-beams can be customized and engineered to meet specific load requirements, ensuring the necessary support for a helipad. The popularity of steel I-beams in supporting rooftop helipads across a range of buildings and structures stems from their versatility and dependable nature.

Q: What are the different types of steel I-beam connections for roof framing?: Roof framing for steel I-beams involves various types of connections, each with its own advantages and applications. 1. One common and straightforward method is the welded connection. By welding the ends of the beams together, a strong and rigid connection is created. Welded connections are often used for heavy loads and situations where structural stability is crucial. 2. Another method is the bolted connection, where steel plates or angles are bolted to the flanges of the I-beams. This allows for easy disassembly if needed and can accommodate different beam sizes and angles, making it suitable for various roof framing designs. 3. A gusset plate connection involves welding or bolting a steel plate to the webs of two I-beams, effectively joining them together. This type of connection is commonly used in roof framing to transfer loads and provide additional strength and stability, especially in situations where load-bearing capacity and resistance against lateral forces are needed. 4. For the transfer of bending moments between two beams, a moment connection is used. This more complex type of connection involves welding or bolting additional steel plates and angles to the flanges and webs of the I-beams. Moment connections are typically used in large-span roof structures or where there is a need to resist lateral and vertical loads. 5. Cleat connections are made by attaching steel plates, called cleats, to the flanges of two I-beams using bolts or welding. This type of connection is commonly used when beams need to be joined at an angle or connected to other structural elements such as columns or walls. Cleat connections offer flexibility in design and ease of installation. When selecting the appropriate type of steel I-beam connection for roof framing, it is important to consider factors such as load requirements, structural stability, and ease of assembly. Consulting with a structural engineer or a roofing professional can help determine the most suitable connection method for a specific project.

Q: What can I do with welded I-beam and welded H?: From the point of view of welding, there is no difference is the same welding, but the work of sub steel and H steel use is different, I-beam generally do lateral endurance, H steel generally do vertical station column use.

Q: What are the different aesthetic options available for steel I-beams?: Steel I-beams offer various aesthetic options to enhance their appearance and seamlessly integrate them into architectural designs. Some popular choices include: 1. Powder coating: Steel I-beams can be powder coated in a wide range of colors and finishes, allowing them to match or complement the surrounding environment or architectural elements. This process not only protects against corrosion but also provides a durable and attractive finish. 2. Galvanization: Galvanizing steel I-beams involves applying a layer of zinc coating to protect against rust and corrosion. This option gives the beams a distinct silver-gray appearance, which can add an industrial or contemporary aesthetic to the overall design. 3. Polishing: Polishing steel I-beams creates a smooth and reflective surface, giving them a sleek and modern look. This option is commonly used in contemporary architectural designs that aim for a high-end, luxurious feel. 4. Brushed finish: A brushed finish involves creating fine lines on the surface of the steel I-beam, providing a unique texture and a more tactile experience. This option is often chosen for designs that seek to incorporate artistic expression. 5. Custom paint or coating: Steel I-beams can be customized with specific paint colors or coatings to match the desired aesthetic. This allows for creativity and personalization, making it ideal for projects with a specific color scheme or branding. It's important to consider that the availability of aesthetic options for steel I-beams may vary depending on the manufacturer, project requirements, and budget limitations. Seeking advice from professionals such as architects, engineers, or steel fabricators can offer valuable insights and recommendations on the best aesthetic options for steel I-beams in a particular project.

Q: Can steel I-beams be used in retrofitting existing buildings?: Retrofitting existing buildings can involve the use of steel I-beams, which are known for their strength, durability, and versatility. These beams can be employed to reinforce or replace load-bearing elements like columns or beams. They offer exceptional structural support and aid in redistributing the building's weight, which is particularly useful when there is a need to increase load capacity or accommodate new loads. A notable advantage of using steel I-beams in retrofitting projects is their ability to span long distances without requiring additional supports. This feature allows for greater flexibility in design when modifying the layout or functionality of a space. Furthermore, steel I-beams are relatively lightweight compared to alternative construction materials, making them easier to transport and install. This characteristic is particularly advantageous in retrofitting projects where site access is limited or where the existing structure cannot handle excessive weight. Moreover, steel I-beams exhibit high fire resistance and can withstand extreme weather conditions, which enhances safety and durability in retrofitting projects. In summary, steel I-beams are a popular choice in retrofitting existing buildings due to their strength, versatility, and ability to fulfill various design requirements. They provide structural stability, facilitate modifications to existing spaces, and offer long-term durability, making them an excellent option for retrofitting projects.

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